Accession No

4000

Brief Description

electrometer, Lindemann, by Cambridge Instrument Company Ltd., English, 1947

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

electrical; astronomy;

Earliest Date

1947

Latest Date

1947

Inscription Date

Material

metal (brass, aluminium); glass; plastic (ebonite)

Dimensions

length 94mm; breadth 55mm; height 37mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘LINDEMANN
ELECTROMETER
C452791’ (on case)

Description Notes

Brass and aluminium cylindrical case; circular glazed windows on top and bottom showing suspended needle; two glass and brass terminals on left side; glass and brass terminal with brass sleeve on right side; right terminal accepts a pneumatically operated earthing switch; internal ebonite moisture absorption chamber.
Similar to Wh: 1651, but a later model.

Condition: fair (suspension intact; case corroded); complete.

References

Events